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Eswaraiah Sajja

USPTO Granted Patents = 17 (Patent Applications = 16)

Average Co-Inventor Count = 4.8

ph-index = 3

Forward Citations = 13(Granted Patents)

Location History:

Telangana, IN (2020 - 2021)
Hyderabad, IN (2010 - 2022)

Company Filing History:

8 out of 8

Msn Laboratories Private Limited, R&d Center

patents

6 out of 30

Msn Laboratories Private Limited

patents

6 out of 187

Dr. Reddy's Laboratories, Incorporated

patents

where one patent can have more than one assignee

Years Active: 2010-2025

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17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12473292 - Polymorphs of 7-cyclopentyl-N,N-dimethyl-2-{[5-(piperazin-1-yl) pyridin-2-yl]-amino}-7H-pyrrolo[2,3-d]pyrimidine-6-carboxamide and its pharmaceutically acceptable salts and process for the preparation thereof (2025-11-18),

2. 12227518 - Crystalline polymorphs of sodium (4R,12AS)-9-{[(2,4-difluorophenyl) methyl]carbamoyl}-4-methyl-6,8-dioxo-3,4,6,8,12,12A-hexahydro-2H-pyrido [1',2′:4,5]pyrazino[2,1-b][1,3]oxazin-7-olate and process for preparation thereof (2025-02-18),

3. 12227506 - Crystalline polymorphs of 1-[(3R)-3-[4-amino-3-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl]-1-piperidinyl]-2-propen-1-one and process for preparation thereof (2025-02-18),

4. 11434256 - Process for the preparation of 3α,7α-dihydroxy-6α-ethyl-5β-cholan-24-oic acid (2022-09-06),

5. 11279696 - Processes for the preparation of 7-{4-[4-(1-benzothiophen-4-yl) piperazin-1-yl]butoxy}quinolin-2(1H)-one (2022-03-22),

6. 11261160 - Process for the preparation of N-(4-(6,7-dimethoxyquinolin-4-yloxy)phenyl)-N'-(4-fluorophenyl)cyclopropane-1, 1-dicarboxamide, (2S)-hydroxybutanedioate and its polymorphs thereof (2022-03-01),

7. 11236050 - Polymorphs of 4-[3-chloro-4-(n'-cyclopropyl ureido)phenoxy] -7-methoxyquinoline-6-carboxamide, its salts and process for the preparation thereof (2022-02-01),

8. 11149026 - Solid state forms of 5-chloro-6-[(2-iminopyrrolidin-1-yl)methyl]pyrimidine-2,4-(1H,3H)-dione hydrochloride and their processes for the preparation thereof (2021-10-19),

9. 10913762 - Process for the preparation of D-glucitol, 1,5-anhydro-1-C-[4-chloro-3-[[4-[[(3S)-tetrahydro-3-furanyl] oxy]phenyl] methyl] phenyl]-, (1S) and its crystalline forms thereof (2021-02-09),

10. 10913717 - Solid state forms of N-[2-[(I S)-1-(3-ethoxy-4-methoxyphenyl)-2-(methyl sulfonyl)ethyl]-2,3-dihydro-1,3-dioxo-L H-isoindol-4-yl]acetamide and process for preparation thereof (2021-02-09),

11. 10865217 - Process for the preparation of 5-(4-cyanophenoxy)-1,3-dihydro-1-hydroxy-[2,1]-benzoxaborole and polymorphs thereof (2020-12-15),

12. 10703731 - Process for the preparation of Trisodium (4- {[1S,3R)-1-([1,1'-biphenyl]-4-ylmethyl)-4-ethoxy-3-methyl-4-oxobutyl]amino}-4-oxobutanoate)-(N-petanoyl-N-{[2′-(1H-tetrazol-1-1D-5-yl)[1,1′-biphenyl]-4-yl]methyl}- L-valinate) and its polymorphs thereof (2020-07-07),

13. 10550107 - Process for the preparation of N-[4-[(3-chloro-4-fluoro phenyl) amino]-7-[[(3s-tetrahydro-3-furanyl]oxy]-6-quinazolinyl]-4-(dimethyl amino)-(2E)-2-butenamide (2Z)-2-butenedioate (1:2) and its polymorphs thereof (2020-02-04),

14. 10544097 - Solid state forms of N-[2-[(1S)-1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl]-2,3-dihydro-1,3-dioxo-1H-isoindol-4-yl]acetamide and process for preparation thereof (2020-01-28),

15. 8063214 - Polymorphic forms of tadalafil (2011-11-22),

Title: Eswaraiah Sajja: A Pioneer in Crystalline Polymorph Research

Introduction: Eswaraiah Sajja is an esteemed inventor based in Hyderabad, Telangana, India, with an impressive portfolio of 16 patents to his name. His contributions to the field of pharmaceutical sciences, particularly in the area of crystalline polymorphs, have garnered significant attention in the industry.

Latest Patents: Among his latest inventions, Sajja has developed novel crystalline polymorphs of sodium (4R,12AS)-9-{[(2,4-difluorophenyl)methyl]carbamoyl}-4-methyl-6,8-dioxo-3,4,6,8,12,12A-hexahydro-2H-pyrido[1',2′:4,5]pyrazino[2,1-b][1,3]oxazin-7-olate, alongside a process for their preparation. This innovative research delves into both the preparation of the polymorphs and their solvated forms.

Another significant patent of Sajja involves novel crystalline polymorphs of 1-[(3R)-3-[4-amino-3-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl]-1-piperidinyl]-2-propen-1-one. The process of preparation for this compound is also thoroughly outlined within his recent patent disclosures.

Career Highlights: Eswaraiah Sajja has had a distinguished career with notable positions at Msn Laboratories Private Limited, a prominent player in the pharmaceutical industry. His research at their R&D Center has played a significant role in advancing innovative solutions within the field.

Collaborations: Throughout his career, Sajja has collaborated with esteemed professionals such as Thirumalai Rajan Srinivasan and Rajeshwar Reddy Sagyam. These collaborations have contributed to the development and refinement of his patents, further establishing his reputation in the pharmaceutical research community.

Conclusion: With a total of 16 patents to his credit, Eswaraiah Sajja stands out as a key figure in the realm of crystalline polymorph research. His innovative contributions continue to impact the pharmaceutical landscape, promoting advancements that enhance drug formulation and efficacy. As he progresses in his career, Sajja's work remains a testament to the significance of innovation in medicine.

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